Cafepress online store...
You can buy some shirts and a couple stickers. As my brain hemmorrhages more ideas, more shirts and stickers will appear. If you're interested in buying 15 or more of any one item, please drop me an e-mail and I can bulk order stuff for you.
There is also a HumpyHouse.com online store available with a ton of new cheap t-shirts. I think they're funny..
T-Shirts (all $10):
... or if you'd like to buy me something.